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net: cadence_gem: TX_LAST bit should be set by guest 

TX_LAST bit should not be set by hardware, its set by guest to inform
the last bd of the frame.

Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Sai Pavan Boddu 2020-05-12 20:24:53 +05:30 committed by Jason Wang
parent 15baf5e237
commit fdd35195c5
1 changed files with 0 additions and 6 deletions
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6
hw/net/cadence_gem.c
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@ -350,11 +350,6 @@ static inline unsigned tx_desc_get_last(uint32_t *desc)
return (desc[1] & DESC_1_TX_LAST) ? 1 : 0; return (desc[1] & DESC_1_TX_LAST) ? 1 : 0;
} }
static inline void tx_desc_set_last(uint32_t *desc)
{
desc[1] |= DESC_1_TX_LAST;
}
static inline unsigned tx_desc_get_length(uint32_t *desc) static inline unsigned tx_desc_get_length(uint32_t *desc)
{ {
return desc[1] & DESC_1_LENGTH; return desc[1] & DESC_1_LENGTH;
@ -1298,7 +1293,6 @@ static void gem_transmit(CadenceGEMState *s)
/* read next descriptor */ /* read next descriptor */
if (tx_desc_get_wrap(desc)) { if (tx_desc_get_wrap(desc)) {
tx_desc_set_last(desc);
if (s->regs[GEM_DMACFG] & GEM_DMACFG_ADDR_64B) { if (s->regs[GEM_DMACFG] & GEM_DMACFG_ADDR_64B) {
packet_desc_addr = s->regs[GEM_TBQPH]; packet_desc_addr = s->regs[GEM_TBQPH];